12 13 Notes on checking ignition system

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Troubleshooting

Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting

Oscillograms

Normal oscillogram
Oscillograms of ignition coils from different manufacturers

Check

Secondary signal for stationary ignition distribution